Three men, fed up with prostitutes and their perceived role in breaking up happy marriages, decide to go out and hunt down as many prostitutes as they can find. When the police are unable to solve the case, the prostitutes themselves must band together to save themselves.

A Shanghai doctor named Tangsan, is trying to help the town's poor people. Meanwhile, he has the murderous Axe Gang to deal with as well as his feelings for the gang leader's sister.